Primer registro de pleonosporium caribaeum (b？rgesen) r.e. norris (ceramiaceae, rhodophyta) en el Mar Caribe Venezolano

pleonosporium caribaeum (b？rgesen) r.e. norris, a red alga belonging to the family ceramiaceae, is presented as a new report of genus and species for the venezuelan coast, characterized by producing tetrasporangia as well as polysporangia, polystichous branching (alternate radial), incurvate branchelets and spermatangial heads, cylindrical and pedicellate. it was collected in meadows of thalassia testudinum banks ex k？nig, near the town of varadero, morrocoy national park, falcon state, venezuela. its specimens are described and pictured.